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MathGroup Archive 2001

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Re: Greatest element in list

  • To: mathgroup at smc.vnet.net
  • Subject: [mg30487] Re: [mg30474] Greatest element in list
  • From: Andrzej Kozlowski <andrzej at tuins.ac.jp>
  • Date: Fri, 24 Aug 2001 04:05:48 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

First of all your code is wrong, presumably you meant:

Position[#, Max[#]] &@list

Secondly, even if you you actually used the correct code you, you should 
still  provide an example showing when it does not work, not just a mere 
claim that it sometimes does not. Given the amount of information that 
you have provided the most likely hypothesis seems to me that you did 
not input what you though you did or that your list was empty to start 
with.

On Thursday, August 23, 2001, at 03:15  PM, Oliver Friedrich wrote:

> Hi,
>
> what's the best way to get the position of the greatest number in list 
> of
> reals? I've tried
>
> Position[#,Max[#]]&list
>
> but surprisingly, it doesn't work all the time, sometimes it returns an
> empty list. How is that, because a theorem says that a non empty set of 
> real
> numbers must have at least one biggest element. So Max[#] can't be 
> empty.
>
> Any solutions ?
>
> Oliver Friedrich
>
>
>

Andrzej Kozlowski
Toyama International University
JAPAN
http://platon.c.u-tokyo.ac.jp/andrzej/


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